digital filter

  1. T

    is the order of IIR filter proportional to the group delay?

    I know that the group delay of filter made in chain is proportionnal to the total group delay. I want to know the relationship between the group delay of fitler of order 2 and 3 ?
  2. J

    Extracting filter coefficients from fdatool IIR filter object

    Hi everyone, I have designed an IRR filter in fdatool but since I can't export the coefficients as a vector into the workspace, I exported the filter as an object. The problem is that when I open the object, I have 3 arrays stored in it (ScaleValues, States and sosMatrix). Please, could someone...